The success of introduced invaders has often been attributed to their
release from natural enemies, We compared rates of seed and ovule destruction
by insects and fungal pathogens in an alien invader, fountain grass ...

We surveyed 41 sites from throughout O'ahu that had been
dominated by native pili grass (Heteropogon contortus) in the late 1960s. Pili
grass was absent from 14 (35%) of those sites in 1997 and had declined in
abundance ...